Regular drywall joint compound, or mud, is generally used to create the knockdown texture. You can use the premixed variety or mix your own. Either way, you must be able to spray the mixture with the hopper gun, so it should be about the consistency of pancake batter or thick paint.
Similarly, what is a knock down texture?
Knockdown Texture is a drywall finishing style. It is a mottled texture, more intense than a simple flat finish, but less intense than orange peel, or popcorn, texture.
What is the right PSI for knockdown texture?
The recommended air pressure from your compressor should be 60 psi (2.5 cfm) for Orange Peel, 30 psi for Knockdown, with a minimum 100 psi compressor. You can adjust the air to your liking as you become more familiar with the gun. *When shooting ceilings, you may want to increase the psi slightly.
How long does it take for drywall to dry?
Drying Times. Joint compound should generally be allowed to dry for 24 hours between coats and before sanding, painting or priming. High humidity levels and warm temperatures both increase drying times, however.